Product UPC: 023165139996 Brocade 1 Meter 40GBase-CR4 Passive Copper QSFP+ to 4xSFP+ DAC (Direct Attach Copper Twinax Cable) for ICX Series Switches - ICX6650-32-ADV Standards: Copper Network Media: Copper Wavelength: N/A Fiber Cable: N/A Protocols: 40 Gbps Ports: QSFP+ to 4 SFP+ Max Distance: 1 Meter Transfer Rate: Gigabit